Dr. Michael Chew @mchew85
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GrepMed Gastroenterology-Hepatology Editor, Academic Hospitalist UC Davis Medical Center Internal Medicine, Yale Gastroenterology Fellow '22
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Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Gastrointestinal Causes ... of Iron Deficiency ... Gastrointestinal #Iron ... Deficiency #Anemia #Causes
5 D's Mnemonic for Causes of Iron Deficiency Anemia (IDA)
Diet - lacking iron, vitamin C, too
D's Mnemonic for Causes ... of Iron Deficiency ... Diet - lacking iron ... much tea blocking iron ... Deficiency #Anemia #Causes
Algorithm regarding the diagnosis and treatment of Hereditary Hemochromatosis HH. 

Step 1: In the patient with
out additional causes ... evaluation for other causes ... of elevated iron ... If other causes ... of iron overload
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Evaluation of Iron ... anemia, diagnose iron ... Insufficient response to iron ... management #Iron
Drugs and Classes Associated with DILI and Type of Liver Injury

#Medications #Differential #DrugInduced #LiverInjury #Hepatology #Pharmacology
Drugs and Classes ... #Pharmacology #Causes
Pancreatic Cyst Diagnosis on Endoscopic Ultrasound EUS
Features of low cancer risk: No symptoms caused by the
risk: No symptoms caused ... risk: Symptoms caused ... such as jaundice, nausea
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
Causes of Severe ... Severe #Acute #Causes
An Approach to Jaundice - Differential Diagnosis

- Increased Production (Prehepatic)
- Decreased Clearance (Intrahepatic + Posthepatic)

Dr. Eric
Differential #Table #Causes
Table of Causes of Acute Liver Injury
#Diagnosis #Hepatology #Acute #Liver #Injury #Causes #Differential #Incidence #Table #Failure
Table of Causes ... Liver #Injury #Causes
Gallstone Diseases
1. Asymptomatic Stones 75%
2. Biliary Pain 20%
3. Acute Cholecystitis 10%
4. Mirizzi's Syndrome < 0.1%
5. Cholangitis/
differential #diagnosis #causes